Package

w3c-css-validator

Easily validate CSS using W3C's public CSS validator service

v1.4.1, 2 Dec 2025MITCommonJSTypes: BundledCSS-in-JS and styling

$ npm install w3c-css-validator

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 3k; +44% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 0; Direct, from package.json
Last release: 9 months ago; v1.4.1
GitHub stars: 18; 7 forks
Open issues / PRs: 0 / 0
Contributors: -
Commits, last 52 weeks: 210

Downloads

Last week 2026-09-15 to 2026-09-21

Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

3,000 downloads last week, 20,949 in the last month. The 12-month change of +44% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: -
Latest version: 1.4.1, 2 Dec 20259 months ago
First published: -
Last push to GitHub: 9 Sept 202615 days before the snapshot
Repository archived: No
Open issues: 0
Open pull requests: 0
Commits, last 52 weeks: 210
Dependents on npm: 3

Major versions

Recent releases

Compatibility

Module format: CommonJSFrom package.json type, main and exports fields
TypeScript types: Bundled
Node.js engine range: Not declared
Runtimes: -
Unpacked size (npm): 30 kB
Dependencies (0): None

Install

npm install w3c-css-validator

CDN

jsDelivrhttps://cdn.jsdelivr.net/npm/w3c-css-validator@1.4.1/
unpkghttps://unpkg.com/w3c-css-validator@1.4.1/
esm.shhttps://esm.sh/w3c-css-validator@1.4.1

Alternatives

Package	Weekly downloads	Gzip	Last release	Module	Comparison
stylelint-csstree-validator Stylelint plugin to validate CSS syntax	85.9k	-	6 months ago	ESM + CommonJS	-

Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): downloads_week 3000 < 10000.